. >> president obama addressed the nation but he did not use the phrase terror attack last night. this morning, many lawmakers are saying it is. >> any responsible individuals, any responsible groups will feel the full weight of justice. >> let me bring in congressman benny thompson, democrat of mississippi and a member of the homeland security committee. congressman, good morning. i know you will be briefed today. what can you tell us right now? >> well, i think we can assure the public that congress is monitoring the situation. we're working with state and local partners to make sure we get all the evidence and i think the system worked. our responders were there. police, fire, health personnel. what we're now doing is collecting the evidence to try to get to the bottom of what really happened. >> is there any doubt in your mind at this point that this was likely an act of terror? >> well, i think before we tie it to an act of terror, it was a bad deed. whether it's a lone wolf, international terrorist related organization or what, we have to find the individuals involved. and t